| National Weather Service Forecast for:
Thornton, CO Issued by: National Weather Service Denver/Boulder, CO |
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| Updated: Fri, 13-Nov-2026 11:46am MST | ||||||||||||||||||||||||||||||||||||||||
| Thornton, CO | ||||||||||||||||||||||||||||||||||||||||
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| This Afternoon |
Mostly sunny. High near 64, with temperatures falling to around 58 in the afternoon. North northeast wind around 5 mph. |
| Tonight |
Areas of fog after 11pm. Mostly cloudy, with a low around 37. West wind around 3 mph. |
| Saturday |
Areas of fog before 10am, then a chance of rain showers. Mostly cloudy. High near 54, with temperatures falling to around 52 in the afternoon. North northeast wind 1 to 5 mph. Chance of precipitation is 50%. |
| Saturday Night |
A chance of rain showers before 11pm, then patchy fog and a slight chance of rain showers. Mostly cloudy, with a low around 37. Northwest wind around 5 mph. Chance of precipitation is 50%. |
| Sunday |
Patchy fog before 10am. Mostly sunny, with a high near 59. South southeast wind 1 to 6 mph. |
| Sunday Night |
Mostly clear, with a low around 35. |
| Monday |
Sunny, with a high near 63. |
| Monday Night |
Partly cloudy, with a low around 37. |
| Tuesday |
Mostly sunny, with a high near 62. |
| Tuesday Night |
Partly cloudy, with a low around 39. |
| Wednesday |
A slight chance of rain showers after 5pm. Mostly sunny, with a high near 58. |
| Wednesday Night |
A slight chance of rain showers before 8pm, then a slight chance of rain and snow showers between 8pm and 11pm. Partly cloudy, with a low around 34. |
| Thursday |
A slight chance of rain and snow showers after 5pm. Mostly sunny, with a high near 55. |
| Thursday Night |
A chance of rain and snow showers. Mostly cloudy, with a low around 33. |
Forecast from NOAA-NWS for Thornton, CO.